Unit 8 Vocab

0.0(0)
studied byStudied by 1 person
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/8

flashcard set

Earn XP

Description and Tags

Chemistry

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

9 Terms

1
New cards

mole

6.02 x 10^23 representative particles of a substance and the SI unit for measuring the amount of a substance

2
New cards

Avogadro's number

the number of representative particles in a mole, 6.02 x 10^23

3
New cards

representative particle

the species present in a substance (usually atoms, molecules, or formula units)

4
New cards

molar mass

the mass of a mole of an element

5
New cards

Avogadro's hypothesis

equal volumes of gases at the same temperature and pressure contain equal numbers of particles

6
New cards

Standard temperature and pressure (STP)

a temperature of 0 degrees C and a pressure of 101.3 kPa, or 1 atmosphere (atm)

7
New cards

molar volume

the quantity, 22.4 L of a gas

8
New cards

percent composition

expresses the relative amounts of the elements in a compound with the percent by mass of each element in the compound

9
New cards

empirical formula

the basic ratio, which gives the lowest whole-number ratio of the atoms of the elements in a compound